*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  font-family: system-ui, -apple-system, sans-serif;
  line-height: 1.6;
  max-width: 42rem;
  margin: 0 auto;
  padding: 1.5rem;
  color: #1a1a1a;
  background: #fafafa;
}

header {
  border-bottom: 1px solid #ddd;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
}

header nav a {
  margin-right: 1rem;
}

a {
  color: #0b57d0;
}

a:hover {
  text-decoration: none;
}

h1 {
  line-height: 1.2;
}

.post-meta {
  color: #666;
  font-size: 0.9rem;
}

.post-list {
  list-style: none;
  padding: 0;
}

.post-list li {
  margin-bottom: 1.25rem;
}

.post-list a {
  font-weight: 600;
}

footer {
  margin-top: 3rem;
  padding-top: 1rem;
  border-top: 1px solid #ddd;
  color: #666;
  font-size: 0.9rem;
}